Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/4040#issuecomment-70934926
I've reverted this PR because it conflicted with another PR and has led to
test compilation failures in SQLQuerySuite:
```
[info] Compiling 25 Scala sources to
/private/tmp/spark/sql/catalyst/target/scala-2.10/test-classes...
[info] Compiling 38 Scala sources and 3 Java sources to
/private/tmp/spark/sql/core/target/scala-2.10/test-classes...
[error]
/private/tmp/spark/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala:90:
overloaded method value checkAnswer with alternatives:
[error] (rdd: org.apache.spark.sql.SchemaRDD,expectedAnswer:
org.apache.spark.sql.Row)Unit <and>
[error] (rdd: org.apache.spark.sql.SchemaRDD,expectedAnswer:
Seq[org.apache.spark.sql.Row])Unit
[error] cannot be applied to (org.apache.spark.sql.SchemaRDD, Int)
[error] checkAnswer(
[error] ^
[error]
/private/tmp/spark/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala:93:
ambiguous reference to overloaded definition,
[error] both method checkAnswer in class QueryTest of type (rdd:
org.apache.spark.sql.SchemaRDD, expectedAnswer: org.apache.spark.sql.Row)Unit
[error] and method checkAnswer in class QueryTest of type (rdd:
org.apache.spark.sql.SchemaRDD, expectedAnswer:
Seq[org.apache.spark.sql.Row])Unit
[error] match argument types (org.apache.spark.sql.SchemaRDD,Null)
[error] checkAnswer(
[error] ^
[error] two errors found
[error] (sql/test:compile) Compilation failed
[error] Total time: 29 s, completed Jan 21, 2015 2:24:18 PM
```
I'm reverting now to unblock pull request testing.
I believe that this may have been due to some recent refactoring in other
parts of SQL, which Jenkins didn't detect because this wasn't retested recently.
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